You need keys from Anthropic, OpenAI, etc. For a truly free path, use local models via Ollama.
Roo Code (formerly Roo Cline) is an open-source VS Code agentic extension with 1.29M installs and 22K+ GitHub stars. The extension itself is free with BYOK. Roo Code Cloud offers autonomous cloud agents at $5/hour plus inference costs. Cloud Free plan available. Cloud Team is $99/mo flat (no per-seat cost).
Free Tier
GenerousBest open-source VS Code alternative to Cursor. Extension is free with BYOK. Cloud agents are competitively priced. The $99/mo flat Team plan with unlimited users is a standout value for small teams.
VS Code extension is free and open source — BYOK required for AI. Roo Code Cloud Free plan available with pay-as-you-go agents ($5/hr + inference). Cloud Team is $99/mo flat — unlimited users, no per-seat fees.
What's included
VS Code extension
22K+ GitHub stars, 1.29M installs. Full agentic capabilities with your own API keys.
AI inference (extension)
Use Roo Code Router (at-cost, no markup) or bring your own Anthropic/OpenAI/Google keys.
Cloud Agents (Cloud Free plan)
No monthly fee on Cloud Free. Pay only when agents run. Credits purchased in advance.
Cloud Team plan
Unique in the market: no per-seat pricing. Slack + Linear integrations included.
Local models via Ollama
The extension supports Ollama for zero-cost local AI.
How long until you run out?
Real-world estimates for typical developer usage.
Extension with BYOK
Tool is free — API costs depend on your providerAt Claude Sonnet rates (~$3-15/MTok), typical developer uses $5–20/month in API fees.
Cloud Agents ($5/hr)
Varies by task complexityA 1-hour cloud agent session = $5 + inference. Complex tasks can run 2–4 hours.
Pros & Cons
Pros
- +Extension is free and open source — 1.29M installs
- +Role-based modes (Architect, Code, Ask, Debug, Test) keep AI focused
- +Native MCP support, 100+ model providers via OpenRouter
- +Cloud Team at $99/mo flat — unlimited users, no per-seat pricing
- +Works in Cursor and Windsurf as well as VS Code
Cons
- −Extension AI is NOT free — requires BYOK or Roo Code Router credits
- −Cloud Agents cost $5/hr plus inference — can add up for heavy use
- −Requires technical setup vs. one-click tools like Cursor
- −Smaller community than Cline or Cursor
Scores
Best for
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